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Dodge Caravan/Plymouth Voyager Cooling System (radiator, fan, etc.)

55 messages,  Last post on Nov 27, 2012 at 5:15 PM

You are in the Chrysler/Plymouth Voyager, Dodge Caravan Forum.

What is this discussion about? Dodge Caravan, Chrysler Voyager, Plymouth Voyager, Engine, Van

Messages Page 2 of 6

#7 of 55 Re: Caravan 2001-6 Cooling Fan Relay Module [pmary] by claires HOST

Jan 17, 2007 (11:11 pm)

Replying to: pmary (Jan 16, 2007 3:11 pm)
Not sure if this helps, but there was some discussion about this awhile back: Re: Cooling Fans not coming on

#8 of 55 Re: 2001 - 2006 rear drum removal by bobconstance by claires HOST

Jan 17, 2007 (11:42 pm)

Hi, folks,
 
I've moved the drum removal posts to our existing brakes discussion, where they'll have a better chance of being noticed and answered: 2001 - 2006 rear drum removal by bobconstance

#9 of 55 Re: Caravan 2001-6 Cooling Fan Relay Module [pmary] by pmary

Jan 18, 2007 (8:26 am)

Replying to: pmary (Jan 16, 2007 3:11 pm)
Hi,
   After much searching I found the Relay resting on top of the front bumper (rail frame re-bar) in behind the grill on the driver's side.To access it you will need to remove the head lamp (3 screws) module.The Relay is attached (factory installed)by a large rivet. A large pry bar may be required to free the faulty relay. Remove the wiring harness with a small hooked flat screwdriver under the (hidden) inside area of the locking tab. Before re-connecting put a spot of vaseline on each tab of the new module to reduce moisture corrosion.The Relay has to be firmly re-attached to the bumper to create a heat sink.You will need to remove the rivet from the bumber with a long cold chisel and re-attach the new module with a 9/32" self tapping large screw (or see dealer's replacement part). Re-attach the wiring harness before re-attaching the module to the bumber.Make sure it is well secured- the radiator is right behind it!

#10 of 55 Re: Caravan 2001-6 Cooling Fan Relay Module [pmary] by pmary

Jan 21, 2007 (2:17 pm)

Replying to: pmary (Jan 18, 2007 8:26 am)
Hi,
    The 9/32" self tapping screw just wouldn't cut it. I wound up tapping the hole with a 5/16" NC 16 tap bit mounted from a small T bar tap ratchet. I removed a piece of a web from the grill to give me some leverage. Its a very tight area in behind the grill to work with but a threaded bolt and lock washer now has the cooling fan relay firmly re-secured. I think a secure mount might work as a ground for the circuit as well so a tight installation with no loose play is a must. Be careful not to tighten the bolt too hard or you may strip the (2) threads in the hole. Some thread lock might be a good idea as well. The cooling fans are now working once again with a warm engine idling while stopped in traffic !

#11 of 55 2006 Grand Caravan Temperature Gauge by hof

Feb 26, 2007 (9:26 am)

I have a 2006 Grand Caravan with only 2500 miles on it. When our January cold snap hit, I noticed the temperature gauge never gets above the mark JUST BELOW the midline. At first I thought it was because of sub-zero temperatures. Now that it has warmed up into the 40's, it still isn't reaching the midline. Should I be concerned?
 
Steve from Indy

#12 of 55 Re: 2006 Grand Caravan Temperature Gauge [hof] by 97xpresso

Feb 27, 2007 (11:54 am)

Replying to: hof (Feb 26, 2007 9:26 am)
That's about where mine (2001 Caravan SE) stays, no matter if it's 0 or 100 degrees outside.

#13 of 55 Coolant temperature gauge and ODB-II by shipo

Feb 28, 2007 (12:39 am)

Since the advent of the ODB-II diagnostic requirements from Big Brother (in 1996 IIRC), I have yet to see a single car sold here in the U.S. that didn't have a temperature gauge that wasn't a glorified idiot light. When the engine is cold, it shows cold, when the engine has already overheated, it shows hot, and for pretty much everything else, it shows in the middle.
 
For confirmation, check virtually any car you want, Chrysler, Mercedes, Lexus, BMW, Jaguar, Kia, Nissan, Subaru, it doesn't matter.
 
Best Regards,
Shipo

#14 of 55 Re: Caravan 2001-6 Cooling Fan Relay Module [pmary] by amduncan

Mar 09, 2007 (9:20 pm)

Replying to: pmary (Jan 21, 2007 2:17 pm)
PMARY
 
I am curious what was the reason for replacing the relay module?
 
I have a '03 caravan and the radiator fans are coming on all on their own, even with no keys in the ignition. From what I have found on the net and the error code form the dash (P1491-Radiator fan control relay circuit) I suspect it is the relay myself.
 
any help is appreciated

#15 of 55 99 Plymouth Voyager Fans not working by singlemom3

Apr 27, 2007 (12:26 pm)

Messages Page 2 of 6

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